Device battery charger



FIG. 1 is an isometric view of a bottom, back, and left side of an embodiment of an ornamental design for a device battery charger;

FIG. 2 is an isometric view of a top, front, and left side of the device battery charger of FIG. 1;

FIG. 3 is a top plan view of the device battery charger of FIG. 1;

FIG. 4 is a bottom plan view of the device battery charger of FIG. 1;

FIG. 5 is a right side elevational view of the device battery charger of FIG. 1;

FIG. 6 is a left side elevational view of the device battery charger of FIG. 1;

FIG. 7 is a front elevational view of the device battery charger of FIG. 1;

FIG. 8 is a rear elevational view of the device battery charger of FIG. 1;

FIG. 9 is an isometric view of a bottom, back, and left side of an alternative embodiment of the device battery charger of FIG. 1;

FIG. 10 is an isometric view of a top, front, and left side of the device battery charger of FIG. 9;

FIG. 11 is a top plan view of the device battery charger of FIG. 9;

FIG. 12 is a bottom plan view of the device battery charger of FIG. 9;

FIG. 13 is a right side elevational view of the device battery charger of FIG. 9;

FIG. 14 is a left side elevational view of the device battery charger of FIG. 9;

FIG. 15 is a front elevational view of the device battery charger of FIG. 9; and,

FIG. 16 is a rear elevational view of the device battery charger of FIG. 9.

The broken lines are for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a device battery charger, as shown and described. 